1. who are we?We are based in Beijing, China, start from 2024,sell to North America(20.00%),Mid East(15.00%),Western Europe(10.00%),Southeast Asia(8.00%),Oceania(8.00%),South America(6.00%),Africa(6.00%),Eastern Asia(6.00%),Eastern Europe(5.00%),Domestic Market(5.00%),Central America(3.00%),Northern Europe(3.00%),Southern Europe(3.00%),South Asia(2.00%). There are total about null people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Polycarbonate Sheet,PC Hollow Sheet,PC Solid Sheet4. why should you buy from us not from other suppliers?null5. what services can we provide?Accepted Delivery Terms: null；Accepted Payment Currency:null;Accepted Payment Type: null;Language Spoken:null